Home / 11,929.44-17,881.32-5,260.08

Finding the Fourth Proportional to 11,929.44, 17,881.32 and 5,260.08

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Solution

The fourth proportional to 11,929.44, 17,881.32 and 5,260.08 is: 7,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.44 : 17,881.32 = 5,260.08 : x
  2. Step 2: Convert to fraction form
    11,929.44/17,881.32 = 5,260.08/x
  3. Step 3: Cross multiply
    11,929.44x = 17,881.32 × 5,260.08
  4. Step 4: Simplify right side
    11,929.44x = 94,057,173.71
  5. Step 5: Solve for x
    x = 94,057,173.71/11,929.44
  6. Step 6: Final answer
    x = 7,884.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.